SPLK-1001 Basic Searching and Transforming Commands Practice Question
A search `index=main | top limit=10 user | fields - percent` is running slowly on a large dataset. Which change would likely improve performance the most?
⚠ Common exam trap
Splunk often tests the misconception that `top` is the only or best way to get top values, when in reality `stats count by user` with `sort` and `head` is more performant for large datasets, and candidates may overlook that `top` includes hidden overhead for percentage calculation.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use stats count by user instead of top
The `top` command is a transforming command that internally performs a `sort` and `limit` after counting events. On large datasets, `top` can be slower than `stats count by user` because `top` includes additional overhead for calculating percentages and sorting all results before limiting. Using `stats count by user` followed by `sort 10 -count` achieves the same result with less processing overhead, as `stats` is more efficient for simple aggregation.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Add a rex command before top
Why it's wrong here
rex adds extra processing, slowing the search.
- ✓
Use stats count by user instead of top
Why this is correct
stats count is more efficient than top for counting.
- ✗
Remove the fields command
Why it's wrong here
Removing fields may help slightly but not significantly.
- ✗
Add a time range early in the search
Why it's wrong here
This is best practice but does not address the inefficiency of top.
Go deeper
Related to this question
About these practice questions
Courseiva writes every SPLK-1001 question from scratch — 502 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or dumps. Learn why practice questions differ from exam dumps →
JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This SPLK-1001 practice question is part of Courseiva's free Splunk certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the SPLK-1001 exam.